Anaesthesia
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Letter Case Reports
Loss of consciousness from epidural sufentanil for labour analgesia.
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Letter Case Reports
Complication of the combined spinal epidural technique 2.
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Randomized Controlled Trial Comparative Study Clinical Trial
Analgesia during radial artery cannulation: comparison of the effects of lidocaine applied by local injection or iontophoresis.
We compared the effect of lidocaine injection with lidocaine iontophoresis for pain relief during radial artery cannulation prior to induction of anaesthesia. Patients were allocated randomly to one of two groups. Group 1 (n = 15) received iontophoresis for 10 min prior to cannulation, using 4% lidocaine 4 ml. ⋯ Pain scores were recorded immediately after cannulation using a 10-cm visual analogue scale (VAS). There was no difference in mean (SD) pain scores [group 1: 2.2 (1.5) cm; group 2: 2.3 (2.7) cm; 95% CI of difference -1.8 to 1.5 cm]. Lidocaine delivered by iontophoresis is an effective and painless method of providing analgesia for radial artery cannulation.
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Comparative Study
Validation of a tonometric noninvasive arterial blood pressure monitor in the intensive care setting.
Intra-arterial measurement is considered the gold standard for continuous, beat-to-beat arterial blood pressure monitoring. However, arterial cannulation can be difficult and may cause complications such as thrombosis and ischaemia. Recently, a tonometric system, the Colin CBM-7000 has been developed for noninvasive beat-to-beat measurement of arterial blood pressure from the radial artery. ⋯ In many cases, this was due to a downward drift of the noninvasive measurements over time. Furthermore, there was a tendency to underestimate low pressures and overestimate high pressures. In our opinion, the Colin CBM-7000 cannot be recommended for continuous blood pressure monitoring in the intensive care setting.